JQuery :: Cross-Browser On Variable Change Call Back
Jul 1, 2011
I want to bind a hook to objects member variable change event i.e. lets say I have object:
var obj { var1 : 1,
var2 : 2,
var3 : 3
};
I want to call "Magical" function like this:
onVariableChange(obj, "var1", function(obj, varname, old, new) {
alert("Variable " + varname + " changed from " + old + " to " + new);});
And after this function call every time obj.var1 is set to some value have my callback function called
I found something in internet: [URL]. Its cool but:
-It is changing Object-s prototype
-It is not working under IE 5, 6, 7, 8, 9, 10, 11, 12....
I've changed it a little bit and instead of adding to Object class prototype I'm adding it as member to any object which needs this hook. But IE still doesn't work. Is there any known cross-browser solution for this? I remember there was a jQuery upcoming project which would allow users to bind object to form and by changing one other will change automatically I wonder whats that project name and how they change input value when object member value changed.
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Mar 14, 2011
I have a web service that returns an array.
Code is below: Data variable comes back as blank. I was wonder is that because the method returns an object or am I doing something wrong on my end.
$.ajax({
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Jun 9, 2010
$('.collapse').click(
function(){
/*THIS*/ $('#loadingSymbol').css('background-image','url("ajax-loader.gif")');
triggerReset();
$('.identRow').each(
[Code]...
But /*THIS*/ and /*THAT*/ never happen. Is there a way of doing a callback, so that when the background image has changed, do the below functions. Then end with changing it to nothing again?
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Jun 18, 2009
Is there any way to resize an iframe dynamically to the height of its content that works cross browser and works when the iframe content is on another domain than the main page (I have access to both pages, so code can be put in either) Also, it must resize when links in the iframe are clicked (ie when a new page within the iframe is loaded)
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Jul 1, 2011
I'm looking to have a lightbox pop up when a user clicks the Back button in their browser rather than just navigating back. The purpose is to ask a question with a Yes/No answer, and if they click No, I allow them to go back. The only thing I've found anything like this is the onUnload event, but that doesn't prevent them from going back. How should this be handled?
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May 13, 2009
I have created a payment system using Jquery. The problem I run into is when I move from http to https. I get the following error: Error: [Exception... "Access to restricted URI denied" code: "1012"
[Code]...
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Apr 3, 2011
I'm having a problem with the jQuery UI Datepicker, specifically getting it to show free days based on a ajax query and json response. The first thing I learned was that $.getJSON could in some cases execute after the $(document).ready function had completed, therefore the data would not be available before the datepicker was rendered. So instead I binded the datepicker within the ajax success callback, and whilst the day highlighting works in Chrome browser, it doesn't work in IE or FF at all (the datepicker works but the highlighting doesn't).
[Code]...
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May 25, 2010
I am recentlyexperiencinga problem with .ajax calling cross domain asp.net webservice. It started working fine, until the data returned from server is becoming too big and suddenly the ajax call caused errors, if i reduce the data length then the error went away. After doing some debug, i have identified the problem being the callback was inserted into the returned data.
[Code]...
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May 18, 2010
Is it possible to use $.ajax to call an external web service directly, or do I need to write a dot net server-side wrapper to consume the web service, then call the wrapper from jQuery ?
I have attempted a direct call as shown below, which works fine in IE but generates an error in Firefox, which I presume relates to the cross-domain scripting issue.
$.ajaxSetup({ cache: false });
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Mar 25, 2011
i want to handle keyboard and want to replace keycodes like when user enter / press key a = 65 I may able to change and show in textbox b= 66.
[Code]...
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May 4, 2011
I trying to make a call to an external domain using $.ajax() and it WORKS, the server receives the call, but the response in firebug errors out in jquery.js line 7760. I've been beating my head at this all day and don't feel like I've made it much further.
I suspect it has something to do with the dataType or type of the request. But I've tried all kinds of things from POST to GET to JSONP in the type. For dataType, I've also tried "html", "text", "xml", "json", and even some combos of "text html" but no success.
[Code]...
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Mar 16, 2010
I have been trying to utilize a pre existing snippet of JS that makes a call to some PHP, where the PHP echo's out the answer, namely a dynamic quick search output, that gains its data from an xml file (which works as expected) and thought I might be able to rework the code to work for my altered purpose (which has been a disaster at every attempt) which is as follows:
1. I have a JS file called call4section.js - JS that has a string (str) value assigned (could be number or a combination of numbers and letters) which is passed to a PHP script called call4section.php.
2. The PHP script takes receipt of the string and finds a match within an XML file for the entry under <reference>.
3. The XML file has a format as follows:
<pages>
<note>
<section>value</section>
[code]....
And well, I dont seem to be able to get any further forward with it. Effectively, I can echo out the $reply (if it worked I think), but my stumbling block is sending the starting string, with the JS expecting some reply sent from the PHP.
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Sep 16, 2011
The documentation for the mousemove event asserts that "Properties such as .clientX, .offsetX, and .pageX are available, but support for them differs between browsers. Fortunately, jQuery normalizes the .pageX and .pageY properties so that they can be used in all browsers." I would like to take advantage of this normalization but am working with a legacy system that _loads_ jquery but does not use jquery to bind events.
Does the normalization occur for _all_ events, so I can rely on it once jquery is loaded, or only for events bound through jquery?
Also, are there any other events, such as mousedown that include coordinate properties, and are they also normalized the same way by jquery?
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Aug 6, 2006
I want to find x, y location of a layer or an image, or any other item
on a webpage.
1. It could be relatively or absolutely positioned.
2. It does not matter what browser the user is using.
what's the correct javascript code?
example: find x, y location of the image "someImage"
<html>
<body>
......... some html here....
<img src="someImage.gif" id="someImage" />
......... some html here....
<body>
</html>
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Jul 5, 2003
After 1.5 years of writting my website I installed NS. It's JS works alot different to IE's, so it looks like I've got to write most of my site again!! [img]images/smilies/frown.gif[/img]
NS will only read 1 external JS file, which is abit of a nuisance as my site has a JS file common to site, another for the subfolders of the site, and the page's JS included with the HTML.
I'm trying to put all of common functions into one JS, but some of the functions have large amounts of text assigned to them. I'm trying to import the text using XML sheets as needed, but having a bit of a problem with the line
Code:
xmlDoc.childNodes[i].childNodes[2]
where NS will only read 1 array of childNodes. How do extract xml with NS's JS?
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Aug 27, 2002
If my audience uses not so old browsers, do I have to use cross browser DOM? If they have IE 5 or later and Netscape 6 or Mozilla 1.0 or later and any version of Opera that is not older than 6 months?
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Oct 19, 2009
<script language="javascript">
$(document).ready(function()
{
[code]....
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Oct 24, 2011
I want to use jquery to detect what type of browser you are using and display a link to a .wmv file if you are on IE or display a link to a .mp4 file if you are any other type of browser.I have this script declaration in my <head> section.
<
script src="http://code.jquery.com/jquery-latest.js"></script>
In the body section I have the following
<div id="block"></div>
<
script type="text/javascript">[code]....
Nothing is being output on the page at all. I've tried to patch this together from various example on various web sites. How can I make this work?
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Apr 12, 2011
I have a jquery-powered "start page" that checks your log in and if successfull it slides in a "menu" of new places to go. The problem is, if you click back from one of the new places, the original "start page" looks as if you never logged in. You have to reload the page. Not very intuitive and this website is for kids. Now I've tried setting form field values with server session variables, javascript variables, etc etc but they all get reset when you click back. I've tried the "onunload hack" which I don't fully understand, and then read a bit about the onhashchange event which is from what I gather only compatible with HTML5 browsers...is there no way to detect if the user is already logged in when they click the back button or am I not doing enough homework?
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Nov 14, 2011
I need to capture the browser back button to execute ajax function
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May 8, 2009
I use append() to add html fragments to a page dynamically. This works fine until the user navigates to another page and then clicks on the browser back button. The dynamically added html fragments are no longer visible. I read somewhere that dynamically added elements are not remembered by the browser and therefore the back button will only render the original page (without the dynamically added elements).
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Jan 5, 2006
Does anyone know of good links about cross-browser compatibility (html
attributes/css2/javascript)?
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Jul 20, 2005
In some pages of my website I use a code like the following:
for (var n = 0; n < getTagsArray("SPAN").length; n++){
//SPAN is just an example. I also use other tags
tag = getTagsArray("SPAN")[n];
//make something with tag...
}
function getTagsArray(Tag){
if(document.all){ //Internet Explorer
return document.all.tags(Tag);
}
else if (document.layers){ //Netscape
eval("return document.tags." + Tag);
}}
I want to put all browser-specific code inside the getTagsArray
function. So far, I've programmed only for Internet Explorer (my
browser), but now I want to make my website visible to all browsers.
I'm not sure about the getTagsArray function. Is it right or is there
a better way to do the same thing? And how can I extend that function
to make it work in other browsers?
Finally, where can I find some information about cross-browser
programming? I have the javascript reference for Internet Explorer and
Netscape, but I know nothing about other browsers.
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Mar 16, 2005
a lot of the code I have trouble with is events-based, although there are some DOM-navigation problems that I've noticed in IE.
before I launch into a probably fruitless attempt to write an API that corrects IE's DOM-mangling, I'm wondering if someone else may have already invented that particular wheel.
ideally, this would be a script which I simply link to in the head, and then write valid DOM code which automagically works.
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Jul 18, 2004
onclick="getElementById(Ǝ').style.display='inline'" title="Show Comments">show</a> / <a href="#" onclick="getElementById(Ǝ').style.display='none'" title="Hide Comments">hide</a>
This is a snippet of code from my HTML, and it has been giving me a lot of trouble. It works in IE6 and FireFox, but not in Opera and I can't test other browsers.
What I'm looking to do is make this as cross-browser friendly as possible, which I'm guessing might be able to be done by the way of javascript functions.
The only problem is I don't know any javascript, this is all I know and a quick solution is all I'm looking for.
So maybe, firstly it would be best to ask if it is even possible to achieve this show/hide effect on all browsers, and if not, what options I have?
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Dec 29, 2005
I need a free cross browser dhtml tab control.
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